Design and Comparison of 24 GHz Patch Antennas on Glass Substrates for Compact Wireless Sensor Nodes

<table>Microscope images of the feeding structures (bottom view) of the following: (a) LP patch antenna with a single slot and (b) DM and CP patch antennas with a cross slot.</table>

International Journal of Microwave Science and Technology

fig9

Figure 9

Figure 9: Design and Comparison of 24 GHz Patch Antennas on Glass Substrates for Compact Wireless Sensor Nodes 